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Merge pull request #19 from lkonga/feature/support-openrouter
feat: add OpenRouter AI provider support
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,92 @@ | ||
| use super::{AIProvider, ProviderError}; | ||
| use crate::ai_prompt::AIPrompt; | ||
| use async_trait::async_trait; | ||
| use reqwest::StatusCode; | ||
| use serde_json::{json, Value}; | ||
|
|
||
| #[derive(Clone)] | ||
| pub struct OpenRouterConfig { | ||
| api_key: String, | ||
| model: String, | ||
| api_base_url: String, | ||
| } | ||
|
|
||
| impl OpenRouterConfig { | ||
| pub fn new(api_key: String, model: Option<String>) -> Self { | ||
| Self { | ||
| api_key, | ||
| model: model.unwrap_or_else(|| "anthropic/claude-3.5-sonnet".to_string()), | ||
| api_base_url: "https://openrouter.ai/api/v1/chat/completions".to_string(), | ||
| } | ||
| } | ||
| } | ||
|
|
||
| pub struct OpenRouterProvider { | ||
| client: reqwest::Client, | ||
| config: OpenRouterConfig, | ||
| } | ||
|
|
||
| impl OpenRouterProvider { | ||
| pub fn new(client: reqwest::Client, config: OpenRouterConfig) -> Self { | ||
| Self { client, config } | ||
| } | ||
|
|
||
| async fn complete(&self, prompt: AIPrompt) -> Result<String, ProviderError> { | ||
| let payload = json!({ | ||
| "model": self.config.model, | ||
| "messages": [ | ||
| { | ||
| "role": "system", | ||
| "content": prompt.system_prompt | ||
| }, | ||
| { | ||
| "role": "user", | ||
| "content": prompt.user_prompt | ||
| } | ||
| ] | ||
| }); | ||
|
|
||
| let response = self | ||
| .client | ||
| .post(&self.config.api_base_url) | ||
| .header("Authorization", format!("Bearer {}", self.config.api_key)) | ||
| .header("HTTP-Referer", "https://github.com/jnsahaj/lumen") | ||
| .header("X-Title", "Lumen CLI") | ||
| .json(&payload) | ||
| .send() | ||
| .await?; | ||
|
|
||
| let status = response.status(); | ||
| match status { | ||
| StatusCode::OK => { | ||
| let response_json: Value = response.json().await?; | ||
| let content = response_json | ||
| .get("choices") | ||
| .and_then(|choices| choices.get(0)) | ||
| .and_then(|choice| choice.get("message")) | ||
| .and_then(|message| message.get("content")) | ||
| .and_then(|content| content.as_str()) | ||
| .ok_or(ProviderError::NoCompletionChoice)?; | ||
|
|
||
| Ok(content.to_string()) | ||
| } | ||
| _ => { | ||
| let error_json: Value = response.json().await?; | ||
| let error_message = error_json | ||
| .get("error") | ||
| .and_then(|error| error.get("message")) | ||
| .and_then(|msg| msg.as_str()) | ||
| .ok_or(ProviderError::UnexpectedResponse)? | ||
| .into(); | ||
| Err(ProviderError::APIError(status, error_message)) | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
|
||
| #[async_trait] | ||
| impl AIProvider for OpenRouterProvider { | ||
| async fn complete(&self, prompt: AIPrompt) -> Result<String, ProviderError> { | ||
| self.complete(prompt).await | ||
| } | ||
| } |